Finding the Fourth Proportional to 1,743.39, 2,612.52 and 919.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.39 : 2,612.52 = 919.15 : x
2. Step 2: Convert to fraction form
   1,743.39/2,612.52 = 919.15/x
3. Step 3: Cross multiply
   1,743.39x = 2,612.52 × 919.15
4. Step 4: Simplify right side
   1,743.39x = 2,401,291.23
5. Step 5: Solve for x
   x = 2,401,291.23/1,743.39
6. Step 6: Final answer
   x = 1,377.37